Call them submarines, hoagies, torpedos, grinders, heros, poor boys, sandwiches, WHATEVER! If you’re looking for fresh sliced veggies and delectable meats and cheese, packed between two slices of fresh baked bread, you need Mr. Submarine in your life. Mr. Submarine is a Chicago institution known for craveable, satisfyingly, yummy-licious sub sandwiches; we’re the original submarine franchise in Chicago!